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abhishek kolipaka Grade: 12

box p has 2 red balls and 3 blue balls and box q has 1blue ball. a box is selected as follows

1) select a box

2)choose a ball from the selected box such that each ball in the box is equally likely to be choosen. The probabilities of selecting boxes p and q are 1/3 and 2/3 respectively.given that a ball selected  in the above process is a red ball, the probability that it came from the box p is

8 years ago

Answers : (1)

AskiitianExpert Shine
10 Points


I think its a trick question.

as we are given that the ball is red and only box p contains red balls, this implies that the probability that the red ball came from box p is 1. so there's no point giving the details of all these probablities of selecting box.

8 years ago
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